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This article introduces the relevant knowledge of "what is the use of Linux unexpand command". In the operation of actual cases, many people will encounter such a dilemma. Then let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The Linux common command unexpand command is used to convert white space characters (space) into tabs (TAB) in a given file, and to display the conversion results on standard output devices (display terminals).

Unexpand converts white space characters of a file to tabs

Syntax unexpand (option) (parameter) option-an or-- all: convert all white space characters in the file;-- first-only: convert only the white space characters at the beginning of the conversion;-t: specify the number of N characters (N is an integer) represented by TAB, and the default N value is 8. Parameter file: specifies the list of files to convert whitespace to TAB.

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